refactor: 迁移 Bun fullstack 架构

src/server/main.ts

@@ -0,0 +1,12 @@
+import { bootstrap } from "./bootstrap";
+import { readRuntimeConfig } from "./config";
+
+async function main() {
+  const { configPath } = readRuntimeConfig();
+  await bootstrap({ configPath, mode: "production" });
+}
+
+void main().catch((error) => {
+  console.error("启动失败:", error instanceof Error ? error.message : error);
+  process.exit(1);
+});